CN109227849A - A kind of environment wood floor based on waste wood preparation - Google Patents
A kind of environment wood floor based on waste wood preparation Download PDFInfo
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- CN109227849A CN109227849A CN201811227427.XA CN201811227427A CN109227849A CN 109227849 A CN109227849 A CN 109227849A CN 201811227427 A CN201811227427 A CN 201811227427A CN 109227849 A CN109227849 A CN 109227849A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/02—Staining or dyeing wood; Bleaching wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/08—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood fibres, e.g. produced by tearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0263—Mixing the material with binding agent by spraying the agent on the falling material, e.g. with the material sliding along an inclined surface, using rotating elements or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/007—Manufacture of substantially flat articles, e.g. boards, from particles or fibres and at least partly composed of recycled material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2200/00—Wooden materials to be treated
- B27K2200/15—Pretreated particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention discloses a kind of environment wood floor based on waste wood preparation, including waste wood treatment process and environment wood floor moulding process, wherein, waste wood treatment process includes classification, decontamination, axis is cut, air knife goes corruption, ultra high temperature sterilization, is axially pulverized, fiberization, drying storage；Environment wood floor moulding process includes that fiber screening, the aerial glue spraying of low pressure, stirring, high temperature and pressure molding and overlay film are cut out；The present invention passes through the first classification to waste wood; the part addled is removed again; isolating lumber fibre again makes the fiber of isolation have different grades; lumber fibre is made full use of not cause secondary waste; and pass through the aerial glue spraying of low pressure; the fiber wrapped up completely by colloid is obtained, by the defect of the possible fiber destruction of waste wood by manually protecting, has the function that high-strength wood floor.
Description
Technical field
The present invention relates to the reutilization technology field of waste wood, specific is the moulding process of timber floor, more specifically
It is a kind of environment wood floor based on waste wood preparation.
Background technique
Timber floor includes being broadly divided into solid wooden floor board, laminated flooring, solid wooden compound floor, multi-layer composite floor, bamboo wood
Floor and six major class of cork flooring and emerging Wood-plastic floor, regardless of any timber floor, base most basic for timber floor
Plate be all by raw material selection, timber floor with its excellent using effect and practicability, durability become at present most by
The flooring material of welcome, this also brings new problem, and the felling of excessive trees reduces the area of forest constantly, environment
Deteriorate serious, timber after use or is abandoned or burned or idle, causes the serious wasting of resources, such discarded timber
Lose the space of re-using.
Waste wood common are the timber for furniture industry, the timber of house decoration, building timber and for side
Just the packaged timber etc. of logistics transportation, the timber of furniture industry and the timber of house decoration often carried out adding before the use
Work processing, has very long service life and stronger toughness, and building timber and logistics timber are sharp after simple process
It is acted on and being used with the tenacity and elastic force of timber itself, physical change was not made to wood surface or inside, appointing so has
The due fiber stretching action of timber.
It is best selection that waste wood, which needs to re-use in Wood Flooring Industry, and timber floor mainly utilizes the fiber of timber
The toughness of structure is combined by the high density to fibre structure, so that timber floor is reached production and is designed purpose to be achieved；Cause
How this, improve to be processed waste wood making it have machinable condition, contained by inside waste wood
There is the fiber of toughness to extract, then carry out the classification of fiber grade, is reduced by the raising of fibre density and use glue class chemical combination
Object reduces the discharge of formaldehyde, achievees the purpose that environmental protection, and excessively fall trees due to the prosperity of Wood Flooring Industry, discards
Timber waste is seriously problem to be solved of the present invention.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of environmental protection based on waste wood preparation
Type timber floor, improvement, which is processed waste wood, makes it have machinable condition, contained by inside waste wood
The fiber for having toughness extract, then carry out the classification of fiber grade, reduced by the raising of fibre density and use glue class
Object is closed, the discharge of formaldehyde is reduced, achievees the purpose that environmental protection.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of environment wood floor based on waste wood preparation, including waste wood treatment process and environment wood floor
Moulding process, wherein waste wood treatment process, comprising the following steps:
Step 1: classification: waste wood is usually the wooden family of pine tree, ginkgo, Chinese fir, camphor tree and poplar felling processing
Tool, plate and stent-like structure, waste wood polish surface layer lacquer painting when classifying, and axially cut observation texture color not
Classify with feature, hears trees taste and determine timber kind and store classifiedly；
Step 2: decontamination: the impurity on waste wood includes iron nail, lacquer painting and plastic button, and iron nail and plastic button pass through
Removal is screwed and is crushed to timber, lacquer painting is removed by the polishing 1-3mm that whets a knife；
Step 3: axis is cut: by waste wood with axially placed, and just having the axially cutting timber of cutting tool, make timber
Section within 20 × 20mm；
Step 4: air knife goes corruption: using the air knife mouth in the aperture 1mm and the wind pressure of 3MPa, being cut to step 3 axis useless
It abandons timber progress air knife and goes corruption；
Step 5: ultra high temperature sterilization: the waste wood of step 4 processing being placed in high temperature sterilization reaction kettle, is being reacted
It is full of inert gas in kettle, temperature is first increased to 100 DEG C and is kept for 10-20 minutes, the moisture on waste wood surface is evaporated
Internal moisture is precipitated simultaneously, then temperature is improved between 260-320 DEG C, keeps taking-up in the temperature 12-20 hour, be placed on from
The position natural cooling of ground 100mm or more；
Step 6: axial pulverize: taking out waste wood cooling in step 5 and be axially disposed in crusher transmission belt, lead to
It crosses crusher and axially pulverizes waste wood, form the sawdust that can make wood floor base material；
Step 7: fiberization: by physics and chemistry method by waste wood lumber fibre and other substances
Isolation makes to be sufficiently separated in timber for fibrous raw material in wood floor base material, to obtain the wood with high strength fibre
Floor, specific isolation step are as follows:
Step A, sawdust boiling is softened in the water of boiling, 1-3 hour, timber is cooked sinking, under sawdust softening
The heavy time is related with the type of timber；
Step B, wood fragments bits in step A are taken out, shifting is put into 35% nitric acid solution, and all sawdusts are all put into
It below nitric acid solution horizontal plane, impregnates 8-15 minutes, sawdust starts to turn to be yellow and distribute with yellow gas, and potassium chlorate solid is equal
It is even to be poured into nitric acid solution and chemically reacted with nitric acid, then entire nitric acid solution is immersed in 60 DEG C of hot water and heats 10
Minute, when no longer changing after sawdust integral color shoals, the isolation of sawdust is completed；
Step C, the isolation liquid in step B is poured out, then wood fiber is placed on cleaning machine and uses clear water repeated flushing,
Until acid be lost, then the clear water of one third is poured into, is placed in concussion instrument and quickly shakes, timber is made to be dissociated into wood pulp；
Step D, the wood pulp into step C pours into coloring agent and is dyed, and contaminates different face according to different wood flooring products
Color, and stirred in wood pulp using poking bar, it is stood after making wood pulp dyeing sufficiently.
Step 8: drying storage: the fiber of fiberization in step 7 and dyeing being put into drying box and is dried, is dried
Dry case drying temperature is divided to two sweat boxes, and first sweat box temperature is at 120-160 DEG C and is kept for 2-3 hours, second temperature
Box temperature degree is at 70-100 DEG C and is kept for 1-2 hours；
Wherein, environment wood floor moulding process, comprising the following steps:
Step S1, fiber screens: by the vibrating screen panel with different sizing grids, fiber is subjected to screening separation, etc.
Grade is divided into level-one, second level and three-level, and different grades of fiber is used to produce the timber floor of different quality specifications, and wherein level-one is fibre
Tieing up maximum grade, (for fiber size in 3.5mm or more), the timber floor quality produced is relatively optimal；
Step S2, the aerial glue spraying of low pressure: being moved using low-pressure air current and fiber blow floating in glue spraying case, and glue-spraying spout setting exists
The nozzle of glue spraying case surrounding and apical position, top sprays vertically downward, and the nozzle of glue spraying case surrounding is upward with 45 degree of the elevation angle
Injection, glue spraying bottom portion are glue spraying fiber containing box；
Step S3, it stirs: by the fiber containing box holding movable of glue spraying to agitating device, making the sky in containing box in fiber
Gas discharge, and make mutually to adsorb between fiber by glue sticking；
Step S4, high temperature and pressure forms: the fiber conveying that step S3 is stirred evenly passes through 210 DEG C into molding equipment
The pressure of high temperature and 3-4MPa, continues to form for hot pressing 50-60 seconds；
Step S5, overlay film is cut out: by general timber floor overlay film cut out equipment substrate molding in step S4 covered it is resistance to
The multiple films such as paper, device paper, balance paper are ground, and are cut into general solid wood wood composite (1200 × 150 × 15mm is optimal) floor
Size.
As a further solution of the present invention, decontamination uses electromagnet and crosses the side that air port combines in the step 2
Formula, electromagnet, which is powered, adsorbs the iron nail on waste wood, crosses sealing and brushes broken lacquer painting powder and plastic button.
As a further solution of the present invention, the blade that the axis of the step 3 cut through the side-by-side that spacing is 20mm exists
Axis is carried out in the direction of advance of waste wood to cut.
As a further solution of the present invention, the axial direction in the step 6 is pulverized is replaced by the catching plate that spacing is 10mm
It rotates towards each other and carries out axial pulverize.
As a further solution of the present invention, the drying box in the step 8 is stair-stepping vibration drying, drying box
Angularly disposed, entrance above, is exported in lower section.
As a further solution of the present invention, the aerial glue spraying of step S2 mesolow uses transmission speed for 20m/s's
Lumber fibre is sent to free-falling in glue spraying case by transmission belt, and glue spraying case surrounding bottom in the elevation angle of 30-60 degree in being provided with
Hair dryer.
As a further solution of the present invention, the stirring in the step S3 uses power for 70KW or more, revolving speed 10-
The rabbling mechanism of 15r/min.
Beneficial effects of the present invention:
1, in waste wood treatment process the classification of waste wood according to pine feature rosin taste, color is yellowish, furuncle scar is more；Silver
The cross-section sapwood of apricot wood is faint yellow, and vertical section is in yellow-white, and heartwood is in yellowish-brown, bronzing, and fresh cut face has ginkgo stink；China fir
The shallow Chestnut of heartwood, sapwood it is pale yellow it is brown, terra brown is micro- red, China fir texture is straight, in structure；Camphorwood trunk is dry in dark lobe
Line, wooden fine and closely woven, texture is fine and smooth, has camphor fragrance；Poplar, which is cut, has poplar taste.
2, air knife go in corruption using air knife by air accelerate to formed to object addle structure carry out it is contactless and
The removal of fanout free region removes waste wood because the time is long and the reasons such as dampness of damaging by worms lead to addling for lumber fibre, loses wood
Floor needs the characteristics of using lumber fibre tenacity, retains the timber with certain toughness that do not blown away by air knife, axially pulverizes
By the way that waste wood to be axially chopped into the direction of fiber the characteristics of the axial growth of most of plant fiber, guarantee the complete of fiber
It is whole, timber floor is made using the toughness of fiber.
3, the isolation of fiber discharges the fiber in waste wood adequately, and the fiber isolated is big according to fiber
Small graduation, the higher fiber of fiber integrity degree, toughness is stronger, and prepared timber floor has higher intensity, superhigh temperature
Sterilization moisture sufficiently evaporate and by timber bacterium and larva kill.
4, the aerial glue spraying of low pressure is completely encapsulated in the surrounding of fiber in colloid, has glue between fiber and fiber completely
Body fully ensures that the toughness of timber floor, adapts to a variety of environment and the effect of a variety of external impact, makes timber floor longer life expectancy.
5, the present invention then removes the part addled by the first classification to waste wood, then isolates lumber fibre and make to isolate
Fiber there is different grades, make full use of lumber fibre not cause secondary waste, and by the aerial glue spraying of low pressure, obtain
The fiber wrapped up completely by colloid reaches high-intensity wood by the defect of the possible fiber destruction of waste wood by manually protecting
The effect on floor.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1, discarded China fir
A kind of environment wood floor based on waste wood preparation, including discarded China fir treatment process and environment wood floor
Moulding process, wherein discarded China fir treatment process, comprising the following steps:
Step 1: classification: waste wood by the shallow Chestnut of China fir heartwood, sapwood it is pale yellow it is brown, terra brown is micro- red, China fir
Texture is straight, and the China fir feature in structure judges and classifies China fir；
Step 2: decontamination: the impurity on discarded China fir includes iron nail, lacquer painting and plastic button, and iron nail and plastic button pass through
Removal is screwed and is crushed to timber, lacquer painting is removed by the polishing 1-3mm that whets a knife；
Step 3: axis is cut: by discarded China fir with axially placed, and just having the axially cutting China fir of cutting tool, make China fir
Section within 20 × 20mm；
Step 4: air knife goes corruption: using the air knife mouth in the aperture 1mm and the wind pressure of 3MPa, being cut to step 3 axis useless
It abandons timber progress air knife and goes corruption, removing waste wood because of time length and the reasons such as dampness of damaging by worms leads to addling for lumber fibre,
The characteristics of timber floor is needed using lumber fibre tenacity is lost, the timber with certain toughness that do not blown away by air knife is retained；
Step 5: ultra high temperature sterilization: the discarded China fir of step 4 processing being placed in high temperature sterilization reaction kettle, is being reacted
It is full of inert gas in kettle, temperature is first increased to 100 DEG C and is kept for 10 minutes, makes the moisture evaporation on discarded China fir surface simultaneously
Internal moisture is precipitated, then temperature is improved to 260 DEG C, keeps taking out for the temperature 12 hours, moisture is sufficiently evaporated and by timber
In bacterium and larva kill, be placed on the position natural cooling of liftoff 100mm or more；
Step 6: axial pulverize: taking out discarded China fir cooling in step 5 and be axially disposed in crusher transmission belt, lead to
It crosses crusher and axially pulverizes discarded China fir, form the sawdust that can make wood floor base material；
Step 7: fiberization: by physics and chemistry method by discarded China fir Chinese Fir for Fibre and other substances
Isolation makes to be sufficiently separated in China fir for fibrous raw material in wood floor base material, to obtain the wood with high strength fibre
Floor, specific isolation step are as follows:
Step A, sawdust boiling is softened in the water of boiling, 1 hour, timber is cooked sinking, and sawdust softening is sunk
Time it is related with the type of timber；
Step B, wood fragments bits in step A are taken out, shifting is put into 35% nitric acid solution, and all sawdusts are all put into
It below nitric acid solution horizontal plane, impregnates 8 minutes, sawdust starts to turn to be yellow and distribute with yellow gas, and potassium chlorate solid is uniform
It is poured into nitric acid solution and is chemically reacted with nitric acid, then entire nitric acid solution is immersed in 60 DEG C of hot water and heats 10 points
Clock, when no longer changing after sawdust integral color shoals, the isolation of sawdust is completed；
Step C, the isolation liquid in step B is poured out, then wood fiber is placed on cleaning machine and uses clear water repeated flushing,
Until acid be lost, then the clear water of one third is poured into, is placed in concussion instrument and quickly shakes, timber is made to be dissociated into wood pulp；
Step D, the wood pulp into step C pours into coloring agent and is dyed, and contaminates different face according to different wood flooring products
Color, and stirred in wood pulp using poking bar, it is stood after making wood pulp dyeing sufficiently.
Step 8: drying storage: the fiber of fiberization in step 7 and dyeing being put into drying box and is dried, is dried
Dry case drying temperature is divided to two sweat boxes, and first sweat box temperature is at 160 DEG C and is kept for 3 hours, second sweat box temperature
At 100 DEG C and kept for 2 hours；
Wherein, environment wood floor moulding process, comprising the following steps:
Step S1, fiber screens: by the vibrating screen panel with different sizing grids, fiber is subjected to screening separation, etc.
Grade is divided into level-one, second level and three-level, and different grades of fiber is used to produce the timber floor of different quality specifications, and wherein level-one is fibre
Maximum grade is tieed up, the timber floor quality produced is relatively optimal；
Step S2, the aerial glue spraying of low pressure: being moved using low-pressure air current and fiber blow floating in glue spraying case, and glue-spraying spout setting exists
The nozzle of glue spraying case surrounding and apical position, top sprays vertically downward, and the nozzle of glue spraying case surrounding is upward with 45 degree of the elevation angle
Injection, glue spraying bottom portion are glue spraying fiber containing box；
Step S3, it stirs: by the fiber containing box holding movable of glue spraying to agitating device, making the sky in containing box in fiber
Gas discharge, and make mutually to adsorb between fiber by glue connection；
Step S4, high temperature and pressure forms: the fiber conveying that step S3 is stirred evenly passes through 210 DEG C into molding equipment
The pressure of high temperature and 3MPa, continues to form for hot pressing 50 seconds；
Step S5, overlay film is cut out: by general timber floor overlay film cut out equipment substrate molding in step S4 covered it is resistance to
The multiple films such as paper, device paper, balance paper are ground, and are cut into general timber floor size.
Preferably, using electromagnet and by the way of crossing air port combination, electromagnet energization will give up decontamination in the step 2
The iron nail absorption on timber is abandoned, sealing is crossed and brushes broken lacquer painting powder and plastic button.
Preferably, the axis of the step 3 cut through the blade for the side-by-side that spacing is 20mm in the advance side of waste wood
Axis is carried out upwards to cut.
Preferably, the axial direction in the step 6, which is pulverized, alternately rotates towards each other progress axially by the catching plate that spacing is 10mm
Pulverize.
Preferably, the drying box in the step 8 is stair-stepping vibration drying, and drying box is angularly disposed, and entrance is upper
Side is exported in lower section.
Preferably, it is the transmission belt of 20m/s by lumber fibre that the aerial glue spraying of step S2 mesolow, which uses transmission speed,
It is sent to free-falling in glue spraying case, glue spraying case surrounding bottom is in being provided with hair dryer in the elevation angle of 30-60 degree.
Preferably, the stirring in the step S3 uses power for 70KW or more, and revolving speed is the rabbling mechanism of 15r/min.
Embodiment 2, discarded pine
A kind of environment wood floor based on waste wood preparation, including discarded pine treatment process and environment wood floor
Moulding process is to be kept for 20 minutes for 100 DEG C or so in ultra high temperature sterilization, then temperature is improved to 320 with 1 difference of embodiment
DEG C, it keeps taking out for the temperature 20 hours；Pine boiling needs 3 hours in step A, and pine is impregnated in nitric acid solution in step B
15 minutes；First sweat box temperature at 120 DEG C and is kept for 2 hours in step 8, and second sweat box temperature is at 70 DEG C and protects
It holds 1 hour；Pressure is 4MPa in step S4, continues to form for hot pressing 60 seconds；Blender revolving speed is 10r/min in step S3.
Embodiment 3, discarded poplar
A kind of environment wood floor based on waste wood preparation, including discarded poplar treatment process and environment wood floor
Moulding process is to be kept for 13 minutes for 100 DEG C or so in ultra high temperature sterilization, then temperature is improved to 280 with 1 difference of embodiment
DEG C, it keeps taking out for the temperature 16 hours；Poplar boiling needs 3 hours in step A, and poplar impregnates in nitric acid solution in step B
15 minutes；In step 8 first sweat box temperature at 130 DEG C and keep 2.5 hours, second sweat box temperature at 75 DEG C simultaneously
It is kept for 1 hour；Pressure is 3.2MPa in step S4, continues to form for hot pressing 58 seconds；Blender revolving speed is 12r/min in step S3.
Embodiment 4, discarded camphorwood
A kind of environment wood floor based on waste wood preparation, including discarded camphorwood treatment process and environment wood floor
Moulding process is to be kept for 20 minutes for 100 DEG C or so in ultra high temperature sterilization, then temperature is improved to 320 with 1 difference of embodiment
DEG C, it keeps taking out for the temperature 18 hours；Camphorwood boiling needs 3 hours in step A, and camphorwood impregnates in nitric acid solution in step B
15 minutes；In step 8 first sweat box temperature at 160 DEG C and keep 1.5 hours, second sweat box temperature at 80 DEG C simultaneously
It is kept for 1.5 hours；Pressure is 4MPa in step S4, continues to form for hot pressing 60 seconds；Blender revolving speed is 15r/min in step S3.
Embodiment 5, discarded Ginkgo wood
A kind of environment wood floor based on waste wood preparation, including discarded Ginkgo wood treatment process and environment-friendly type wood ground
Sheet metal forming technique is to be kept for 15 minutes for 100 DEG C or so in ultra high temperature sterilization, then temperature is improved to 300 with 1 difference of embodiment
DEG C, it keeps taking out for the temperature 16 hours；Ginkgo wood boiling needs 2 hours in step A, and Ginkgo wood is in nitric acid solution in step B
It impregnates 12 minutes；First sweat box temperature at 140 DEG C and is kept for 2 hours in step 8, and second sweat box temperature is at 90 DEG C
And it is kept for 1.5 hours；Pressure is 3.5MPa in step S4, continues to form for hot pressing 55 seconds；Blender revolving speed is 10r/ in step S3
min。
Comparative example 1
Using the Chinese fir cut down in three months, and the timber floor produced without discarded China fir treatment process.
Comparative example 2
Using the pine tree cut down in three months, and the timber floor produced without discarded pine treatment process.
Comparative example 3
Using the poplar cut down in three months, and the timber floor produced without discarded poplar treatment process.
Comparative example 4
Using the camphor tree cut down in three months, and the timber floor produced without discarded camphorwood treatment process.
Comparative example 5
Using the ginkgo cut down in three months, and the timber floor produced without discarded Ginkgo wood treatment process.
According to national standard (static bending strength >=30MPa, the elasticity modulus of solid wooden compound floor (GB/T 18103-2013)
>=4000MPa, moisture content 5-14%, burst size of methanal≤1mg/l, E1), to embodiment 1, embodiment 2, embodiment 3, embodiment
4 and embodiment 5 and comparative example 1, comparative example 2, comparative example 3, comparative example 4 and comparative example 5 in static bending strength, elasticity modulus, aqueous
Four characteristics of rate and burst size of methanal are detected, and specific detection data is as follows:
Shown according to upper table detection data, using between the embodiment and comparative example of identical timber from static bending strength, elasticity
It is not much different substantially in the correlation data of modulus, moisture content and burst size of methanal, wherein the static bending strength of all embodiments is basic
More than or equal to 45MPa, better than the 30MPa that is more than or equal to of national standard, the timber floor obtained after waste wood processing has preferable
Flatness and service life；The elasticity modulus of all embodiments is all larger than 5100MPa, better than being more than or equal to for national standard
4000MPa, the obtained timber floor after waste wood processing have good shock proof ability；All embodiment moisture content
Between 6-10%, within the standard of the 5-14% in national standard；The content of formaldehyde of all embodiments is marked in country
Quasi- 1mg/l is hereinafter, reach the environmental protection standard of E1 standard, therefore form by waste wood treatment process and environment wood floor
Technique processing wood floor base material have with transmission timber floor directly fall trees obtained timber floor have similar characteristic
And using effect, the fiber in waste wood are so having good toughness by screening processing successor.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (8)
1. a kind of environment wood floor based on waste wood preparation, the timber floor is by waste wood treatment process and environment-friendly type wood
Floor moulding process is prepared, which is characterized in that wherein, waste wood treatment process, comprising the following steps:
It is deposited Step 1: axially cutting observation texture color along waste wood and determining timber kind by timber taste and classify
It puts；
Step 2: the impurity on waste wood includes iron nail, lacquer painting and plastic button, iron nail and plastic button are by screwing timber
With broken removal, lacquer painting passes through polishing 1-3mm removal of whetting a knife；
Step 3: by waste wood with axially placed, the axially cutting timber of cutting tool, make the section of timber 20 × 20mm with
It is interior；
Step 4: using the air knife mouth in the aperture 1mm and the wind pressure of 3MPa, the part of the waste wood corruption that step 3 axis is cut into
Row removal；
Step 5: ultra high temperature sterilization: the waste wood of step 4 processing being placed in high temperature sterilization reaction kettle, in reaction kettle
Full of inert gas, temperature is first increased to 100 DEG C and is kept for 10-20 minutes, evaporates the moisture on waste wood surface simultaneously
Internal moisture is precipitated, then temperature is improved between 260-320 DEG C, keeps taking out for the temperature 12-20 hours, is placed on liftoff
The position natural cooling of 100mm or more；
It is axially disposed in crusher transmission belt Step 6: taking out waste wood cooling in step 5, passes through crusher axial direction
Waste wood is pulverized, the sawdust that can make wood floor base material is formed；
Step 7: lumber fibre and other substances isolation in waste wood are retained timber by the method for physics and chemistry
In for fibrous raw material in wood floor base material；
It is dried Step 8: the stock-dye isolated in step 7 is put into drying box, drying box drying temperature is divided to two temperature
Case is spent, first sweat box temperature is at 120-160 DEG C and is kept for 2-3 hours, and second sweat box temperature is at 70-100 DEG C and protects
It holds 1-2 hours, obtains wood floor base material after cooling and prepare raw material；
Wherein, environment wood floor moulding process, comprising the following steps:
Step S1, by the vibrating screen panel with different sizing grids, fiber is subjected to screening separation, grade is divided into level-one, two
Grade and three-level, different grades of fiber are used to produce the timber floor of different quality specifications, and wherein level-one is the fibre of 3.5mm or more
Dimension；
Step S2, fiber being blowed floating in glue spraying case using low-pressure air current, glue-spraying spout is arranged in glue spraying case surrounding and apical position,
The nozzle on top sprays vertically downward, and the nozzle of glue spraying case surrounding is sprayed upwards with 45 degree of the elevation angle, and glue spraying bottom portion is glue spraying
Fiber containing box；
Step S3, the fiber containing box of glue spraying is moved to agitating device, the air in containing box in fiber is discharged, and make
It is mutually adsorbed between fiber by glue sticking；
Step S4, the fiber conveying for stirring evenly step S3 passes through the pressure of 210 DEG C of high temperature and 3-4MPa into molding equipment
Power, continues to form for hot pressing 50-60 seconds；
Step S5, equipment is cut out by timber floor overlay film and substrate molding in step S4 is covered into abrasion-proof paper, facing paper, balance paper,
And it is cut into 1200 × 150 × 15mm.
2. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
Specific step is as follows for physico-chemical process in rapid seven fiberization:
Step A, sawdust boiling is softened in the water of boiling, continues 1-3 hour, timber is cooked sinking；
Step B, wood fragments bits in step A are taken out, shifting is put into 35% nitric acid solution, and sawdust is under nitric acid solution horizontal plane
Side is impregnated 8-15 minutes, and sawdust starts to turn to be yellow and distribute with yellow gas, and potassium chlorate solid is uniformly poured into nitric acid solution
In and chemically react with nitric acid, then entire nitric acid solution is immersed in 60 DEG C of hot water and is heated 10 minutes, when sawdust entirety
When no longer changing after lighter, the isolation of sawdust is completed；
Step C, the isolation liquid in step B is poured out, then wood fiber is placed on cleaning machine and uses clear water repeated flushing, until
Acidity is lost, then pours into the clear water of one third, is placed in concussion instrument and is quickly shaken, timber is made to be dissociated into wood pulp；
Step D, the wood pulp into step C pours into coloring agent and is dyed, and is stirred in wood pulp using poking bar, wood pulp dyeing
It is stood after sufficiently.
3. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
Decontamination is using electromagnet and by the way of crossing air port combination in rapid two.
4. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
The blade that rapid three axis cut through the side-by-side that spacing is 20mm carries out axis in the direction of advance of waste wood and cuts.
5. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
Axial direction in rapid six, which pulverizes alternately to rotate towards each other by the catching plate that spacing is 10mm, carries out axial pulverize.
6. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
Drying box in rapid eight is stair-stepping vibration drying, and drying box is angularly disposed, and entrance above, is exported in lower section.
7. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
The rapid aerial glue spraying of S2 mesolow uses transmission speed that lumber fibre is sent in glue spraying case under freedom for the transmission belt of 20m/s
Fall, glue spraying case surrounding bottom in 30-60 degree the elevation angle in be provided with hair dryer.
8. a kind of environment wood floor based on waste wood preparation according to claim 1, which is characterized in that the step
Stirring in rapid S3 uses power for 70KW or more, and revolving speed is the rabbling mechanism of 10-15r/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452167A (en) * | 2019-12-27 | 2020-07-28 | 湖州凯鑫智能家居有限公司 | Environment-friendly timber apron based on waste timber preparation |
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| JP2018003358A (en) * | 2016-06-29 | 2018-01-11 | 朝日ウッドテック株式会社 | Woody composite base material and floor material |
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